Photo: Police cars are posted Friday in front of the Century 16 movie theater in Aurora, Colo., where a gunman opened fire during the opening of the new Batman film, "The Dark Knight Rises," and killed at least 12 people. Credit: Jonathan Castner / AFP/Getty Images

Photo: Police cars are posted Friday in front of the Century 16 movie theater in Aurora, Colo., where a gunman opened fire during the opening of the new Batman film, "The Dark Knight Rises," and killed at least 12 people. Credit: Jonathan Castner / AFP/Getty Images